<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>错误页</title>
</head>
<body>
<p><span><button onclick="window.location.href='javascript:history.go(-1)';">返回上级</button></span><span> | </span></span><span><a th:href="@{/}">返回首页</a></span>
<div>
	<p th:if="${msg!=null}" th:text="${msg}"></p>
	<p th:if="${msg==null}">无错误信息，请<a th:href="@{/}">返回首页</a></p>
	
</div>

</body>
</html>